1Wash the spinach under running water, after the removal of the stems.
2Then boil with water and a handful of salt.
3In The Meantime: 3 tablespoons Heat oil in another pan.
4Add the flour.
5Dilute the hot milk with.
6Add a little salt.
7Continue stirring until the sauce has thickened.
8Then chop the flesh and place in a bowl.
9Add the spinach, well drained.
10Minced do with the yolk.
11Mixing all the ingredients with the bechamel sauce.
12Meatballs are formed.
13Then roll in bread crumbs and brown in hot oil.
14Drain on absorbent paper.
15Serve hot with tomato sauce.